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Extended AT Commands Manual Page 49 of 70 2009-06-25
10. Modem SMS Remote Reporting
10.1.1. SMS Auto Voltage Alert
Maxon have integrated advanced technology within MT2 for the MT2 to automatically initiate an
SMS, to alert the user to voltage attaining a user defined level.
This section provides detail that allows the user to set an input voltage value that when reached
will prompt MT2 to automatically send an SMS to a user-defined mobile phone number.
NOTE: Whilst the input supply for the is 9–36Vdc, the modem will not power-up at 9 volts. 9.5 volts is required for power-up. MT2
then remains powered-up until the voltage drops to 9 volts.
10.1.1.1. Auto Voltage Alert SMS Site Name (AT$$SITE_NAME)
This command allows you to add or modify the site name for each MT2. This could be useful if
multiple units have been deployed so as to identify each unit.
The ‘Site Name’ where set, is only included in the SMS LOWBATT notification.
Table 10-59 Read command
Command TE2
Æ
MT2 $$SITE_NAME?
Response TE2
Å
MT2 $$SITE_NAME: <value>
Value
<blank>: Default – no site name set
<text>: Site name for this modem as entered using the set command
Table 10-60 Set command
Command TE2
Æ
MT2 $$SITE_NAME=<value>
Response TE2
Å
MT2
$$SITE_NAME: <value>
<result_code> (OK or ERROR)
10.1.1.2. SMS $$LOWBATT 1 set point (AT$$LOWBATT_VTG)
This command also sets the MT2 to TE2 $$LOWBATT 1 notification value.
Table 10-61 Read command
Command TE2
Æ
MT2 $$LOWBATT_VTG?
Response TE2
Å
MT2 $$LOWBATT_VTG: <value>
Value1
810: (Default)
xxxx: User definable 4 digit number representing voltage to 2 decimal points
x100 (ie 12.8 volts would be represented as 1280, 9 volts would be 0900)
Value range is from 0910 to 3600.
E
: If the first digit entered is a zero it is ignored in the response.
Table 10-62 Set command
Command TE2
Æ
MT2 $$LOWBATT_VTG=<value1>,
Response TE2
Å
MT2 <result_code> (OK | ERROR)